The deepest sin against the human mind is to believe things without evidence.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
The task of a writer is not to solve the problem but to state the problem correctly.
They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
Science is a way of thinking much more than it is a body of knowledge.
Books are for people who wish they were somewhere else.
Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.
I think that kids have a greater capacity for processing things than we give them credit for.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
The real solution lies in a world in which charity will have become unnecessary.
The fullness of knowledge only comes through the awareness of ignorance.
The reading of all good books is like conversation with the finest men of past centuries.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
Learning never exhausts the mind.
Investigate, educate and organize.
It is better to know how to learn than to know.
He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.
God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.
If you want the present to be different from the past, study the past.
Reading without reflecting is like eating without digesting.
Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.